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Synthesis and characterisation of new ditopic receptors for guanosine

✍ Scribed by Andrew Marsh; Nathaniel W Alcock; William Errington; Rajeeve Sagar

Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
260 KB
Volume
59
Category
Article
ISSN
0040-4020

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✦ Synopsis

Novel ditopic receptors for guanosine have been prepared and characterised. Their association constants with a lipophilic guanosine derivative are somewhat smaller than the expected values for a guanosine -cytidine base pair, but remain in a useful range for building supramolecular structures.

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The new ditopic receptors 1-3 (Figure 1) have been synthesized and their binding ability for alkaline and transition metal cations has ben investigated by halide and UV-Vis titrations. The recognition of complementary molecules through hydrogen bonding has been studied by IH-NMR. The simultaneous re